Home / 8,164.03-12,244.20-3,999.85

Finding the Fourth Proportional to 8,164.03, 12,244.20 and 3,999.85

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Solution

The fourth proportional to 8,164.03, 12,244.20 and 3,999.85 is: 5,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.03 : 12,244.20 = 3,999.85 : x
  2. Step 2: Convert to fraction form
    8,164.03/12,244.20 = 3,999.85/x
  3. Step 3: Cross multiply
    8,164.03x = 12,244.20 × 3,999.85
  4. Step 4: Simplify right side
    8,164.03x = 48,974,963.37
  5. Step 5: Solve for x
    x = 48,974,963.37/8,164.03
  6. Step 6: Final answer
    x = 5,998.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.